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MET Question

  • Pete90
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Pete90 created the topic: MET Question

Hey guys i was wondering if anyone could help clarify a question for me.....

CANBERRA (YSCB)
TAF YSCB 222327Z 2300/2324
33008KT 9999 SCT015 BKN 035
PROB30 2319/2321 2000 MIST
RMK
T 17 23 24 18 Q 1019 1017 1016 1018

after interpreting this TAF, what would you say the cloud base and coverage is at time 0000?
sorry i know its a trivial question but i just need some clarification on whether when deciding cloud coverage we accumulate the two cloud layers.

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  • sikeliv
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sikeliv replied the topic: MET Question

For VFR operation best time to add cloud amount is if it is below 1500 feet the VFR minima.
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Richard replied the topic: MET Question

Hi Pete,
The lowest cloud base is the 2-3 Oktas at 1500ft.
If you are referring to the cloud ceiling in the other hand, the AIP defines that as:
"Ceiling: The height above the ground or water of the base of the lowest layer of cloud below 20,000FT covering more than one-half of the sky."
So, if you are referring to the ceiling, it is 3500ft, with the BKN layer.
Cheers,
Rich
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